Facebook: show your “like” for the environment planting a tree

Two Mexican developers are hoping to raise awareness about the environment with a Facebook application that takes a swipe at deforestation. TreePet lets users plant virtual trees that can be "transplanted" to real forests thanks to partnerships with 'green' organizations, say developers Rodrigo Lopez and Claudia Gonzalez. They received praise and honorable mentions at the World Bank Applications for Development competition that rewarded 13 other programmers for their inventiveness to push forward the development agenda. Here's our video conversation with them.